general protection fault, probably for non-canonical address 0x1ffff11015d26b1a: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 27 Comm: kworker/u4:2 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:__switch_to_asm+0x0/0x40 arch/x86/entry/entry_64.S:228 Code: 74 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000e37a58 EFLAGS: 00010046 RAX: 1ffff11015d26b1a RBX: ffff8880ae9358c0 RCX: ffff8880a9456100 RDX: ffff8880a94569c8 RSI: ffff8880a7d50380 RDI: ffff8880a9456100 RBP: ffff88809373d0c0 R08: dffffc0000000000 R09: fffffbfff12da576 R10: fffffbfff12da576 R11: 0000000000000000 R12: ffff8880a9456530 R13: dffffc0000000000 R14: 1ffff1101528aca6 R15: ffff8880a7d50380 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 0000000094600000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:3453 [inline] __schedule+0x7d3/0xc40 kernel/sched/core.c:4178 preempt_schedule_irq+0xca/0x150 kernel/sched/core.c:4436 idtentry_exit_cond_resched arch/x86/entry/common.c:621 [inline] idtentry_exit_cond_rcu+0xcb/0xe0 arch/x86/entry/common.c:668 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:765 [inline] RIP: 0010:lock_acquire+0x1bf/0x720 kernel/locking/lockdep.c:4962 Code: c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 f0 c7 2b 89 e8 06 ee 59 00 48 83 3d ee 3a d2 07 00 0f 84 09 05 00 00 48 8b 7c 24 10 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 50 0f 85 e0 RSP: 0018:ffffc90000e37be8 EFLAGS: 00000282 RAX: 1ffffffff12578fe RBX: 0000000000000000 RCX: 3d5b847bd9ec1980 RDX: dffffc0000000000 RSI: ffff8880a9456a20 RDI: 0000000000000282 RBP: 1ffff1101528ad39 R08: dffffc0000000000 R09: fffffbfff163349f R10: fffffbfff163349f R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000000 R14: ffff8880a94569cc R15: 0000000000000000 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:241 rcu_read_lock include/linux/rcupdate.h:634 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:407 [inline] batadv_nc_worker+0xc8/0x5c0 net/batman-adv/network-coding.c:718 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace 52266ef352c320d2 ]--- RIP: 0010:__switch_to_asm+0x0/0x40 arch/x86/entry/entry_64.S:228 Code: 74 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000e37a58 EFLAGS: 00010046 RAX: 1ffff11015d26b1a RBX: ffff8880ae9358c0 RCX: ffff8880a9456100 RDX: ffff8880a94569c8 RSI: ffff8880a7d50380 RDI: ffff8880a9456100 RBP: ffff88809373d0c0 R08: dffffc0000000000 R09: fffffbfff12da576 R10: fffffbfff12da576 R11: 0000000000000000 R12: ffff8880a9456530 R13: dffffc0000000000 R14: 1ffff1101528aca6 R15: ffff8880a7d50380 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 0000000094600000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400